Molecular cage assembly by Sn-O-Sn bridging of di-, tri- and tetranuclear organotin tectons: extending the spacing in double ladder structures
| Autor: | Rojas-León, Irán, Gómez-Jaimes, Gelen, Montes-Tolentino, Pedro, Hiller, Wolf, Alnasr, Hazem, Rodríguez-Molina, Braulio, Hernández-Ahuactzi, Irán F., Beltrán, Hiram, Jurkschat, Klaus, Höpfl, Herbert |
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| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: | |
| DOI: | 10.17877/de290r-22687 |
| Popis: | Hydrolysis reactions of di- and trinuclear organotin halides yielded large novel cage compounds containing Sn���O���Sn bridges. The molecular structures of two octanuclear tetraorganodistannoxanes showing double-ladder motifs, viz., [{Me3SiCH2(Cl)SnCH2YCH2Sn(OH)CH2SiMe3}2(��-O)2]2 [1, Y=p-(Me)2SiC6H4-C6H4Si(Me)2] and [{Me3SiCH2(I)SnCH2YCH2Sn(OH)CH2SiMe3}2(��-O)2]2���0.48 I2 [2���0.48 I2, Y=p-(Me)2SiC6H4-C6H4Si(Me)2], and the hexanuclear cage-compound 1,3,6-C6H3(p-C6H4Si(Me)2CH2Sn(R)2OSn(R)2CH2Si(Me)2C6H4-p)3C6H3-1,3,6 (3, R=CH2SiMe3) are reported. Of these, the co-crystal 2���0.48 I2 exhibits the largest spacing of 16.7 �� reported to date for distannoxane-based double ladders. DFT calculations for the hexanuclear cage and a related octanuclear congener accompany the experimental work. Chemistry - a European journal;27(48) |
| Databáze: | OpenAIRE |
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